英语词汇on the qui vive的起源、历史背景-英语词源词典

词汇	on the qui vive
词源	on the qui vive. French sentries once shouted “Qui vive?” lit- erally “who lives?” as a challenge to discover to which party the person challenged belonged—appropriate answers being [vive] “le roi [king],” “la France,” etc. Thus to be on the qui vive is to be watchful (like a sentry), to be on the alert for something. The expression is first recorded in English by Jonathan Swift in 1726.
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